Mali has no seaports because it is landlocked, but on the Niger River near Bamako, serves as a principal river port. Traditionally, Abidjan in Côte d'Ivoire has been Mali's main seaport, handling as much as 70 percent of Mali's trade (except for gold exports). Mali's export trade suffered when in the early 2000s interrupted that trade route.
An optical line termination (OLT), also called an optical line terminal, is a device which serves as the service provider endpoint of a. It provides two main functions: 1. to perform conversion between the electrical signals used by the service provider's equipment and the signals used by the passive optical network.